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1. The operating pressure without auxiliary devices is ≤0.3MPa (except for bidirectional balanced mechanical seals); and the sealing liquid needs to be filled regularly when the machine is stopped and there is no pressure in the agitator
2. If there is an auxiliary device, regarding personnel connect all the pipelines between the mechanical seal and the auxiliary device according to the schematic diagram of the pipeline connection;
3. Inject dense sealing solution and excrete air in the mechanical seal and auxiliary device, the use pressure of the auxiliary device can be the highest pressure when the mechanical sealing was designed to be;
4. The pressure of the mechanical sealing auxiliary device is generally 0.1MPa higher than that in the kettle. The hydraulic pumping station can adopt designed pressure to produce presumed fluctuations , the minimum pressure needs to be higher than the maximum pressure in the kettle 0.1MPa;
5. During the use of mechanical seals, when the sealing solution is lower than the minimum warning line of the auxiliary device, it must be supplemented to the mechanical seal in time;
6. Regularly check whether the pipelines of the auxiliary system with crystalline working conditions are smooth. It must be confirmed that under high temperature working conditions that all cooling water is unblocked at each time.
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